基于扩张状态观测器的SVC非线性变结构控制

康忠健; 孟繁玉

引用本文:	康忠健,孟繁玉.基于扩张状态观测器的SVC非线性变结构控制[J].电力系统保护与控制,2007,35(22):10-13.
	KANG Zhong-jian,MENG Fan-yu.Nonlinear variable structure SVC control based on extended-states-observer[J].Power System Protection and Control,2007,35(22):10-13

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基于扩张状态观测器的SVC非线性变结构控制
康忠健¹, 孟繁玉²
1.中国石油大学（华东）电气工程系，山东东营 257061;2.山东理工大学电气工程系，山东淄博 255049

摘要:

针对电力系统的强非线性和不确定性，将自抗扰控制技术引入变结构控制器的设计，设计了能同时改善电力系统功角稳定和装设点电压动态特性的静止无功补偿（SVC）控制器，所得的控制规律与系统运行点和网络结构完全无关。仿真结果表明所提出的非线性变结构SVC控制器能有效地改善系统的动态稳定性。

关键词: 静止无功补偿器变结构控制? 扩张状态观测器

DOI：10.7667/j.issn.1674-3415.2007.22.003

分类号:

基金项目:

Nonlinear variable structure SVC control based on extended-states-observer

KANG Zhong-jian¹, MENG Fan-yu²

1.Department of Electrical Engineering, China University of Petroleum, Dongying 257061,China;2.Department of Electrical Engineering, Shandong University of Technology, Zibo 255049,China

Abstract:

As for the strong nonlinear and uncertain characteristic of the power system, based on the Extended-States-Observer and the variable structure control a nonlinear robust variable structure controller for Static Var Compensator(SVC), which can improve power angle stability of power system and local voltage characteristics of SVC, is proposed in the paper. The controller is robust to the change of network parameters and working point of system. The simulation suggests that the nonlinear robust variable structure controller can improve dynamic stability of power system effectively.

Key words: static VAR compensator variable structure control extended-states-observer

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